1 files changed, 1 insertions, 1 deletions
diff --git a/imap.c b/imap.c
index 2ee7759e..9a22a37c 100644
--- a/imap.c
+++ b/imap.c
@@ -181,7 +181,7 @@ static int do_imap_ntlm(int sock, struct query *ctl)
     if ((gen_recv(sock, msgbuf, sizeof msgbuf)))
 	return result;
   
-    len = from64tobits ((unsigned char*)&challenge, msgbuf);
+    len = from64tobits ((unsigned char*)&challenge, msgbuf, sizeof(msgbuf));
     
     if (outlevel >= O_DEBUG)
 	dumpSmbNtlmAuthChallenge(stdout, &challenge);